Overview
Hagia Sophia, Topkapi Palace, the city walls, Süleymaniye and the Blue Mosque make that layered history visible in a way few cities can match.
City guide article
Istanbul was Constantinople, capital of the Eastern Roman Empire, before the Ottoman conquest in 1453 turned it into the imperial center of a major Muslim power.

Hagia Sophia, Topkapi Palace, the city walls, Süleymaniye and the Blue Mosque make that layered history visible in a way few cities can match.
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Istanbul today is Türkiye's largest city and one of the world's richest urban experiences for Muslim travelers, linking Sultanahmet, the Golden Horn, Galata, the Bosphorus and the Asian side through ferries, tram lines and dense neighborhood life.
Istanbulites move through a city of ferries, steep streets, mosque courtyards, bazaars, apartment neighborhoods, universities and office districts.
Add practical stops to your Istanbul plan across places, hotels, shopping, and food.
Add practical stops to your Istanbul plan across places, hotels, shopping, and food.
Add practical stops to your Istanbul plan across places, hotels, shopping, and food.
Add practical stops to your Istanbul plan across places, hotels, shopping, and food.